svn-gvsig-desktop / branches / CqCMSDvp / libraries / libCq CMS for java.old / src / org / cresques / ui / cmd / Cmd.java @ 2312
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/*
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* Cresques Mapping Suite. Graphic Library for constructing mapping applications.
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*
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* Copyright (C) 2004-5.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* cresques@gmail.com
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*/
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package org.cresques.ui.cmd; |
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import java.awt.Cursor; |
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import java.awt.geom.Point2D; |
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import java.util.TreeMap; |
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import org.cresques.ui.CQMapCanvas; |
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/**
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* Clase Cmd, ancestro de todos los comandos del canvas.
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* Permite a?adir al canvas funcionalidades que responden a eventos de
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* rat?n y producen canvios en el estado del canvas.
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* @author "Luis W. Sevilla" <sevilla_lui@gva.es>
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*/
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public abstract class Cmd { |
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public static final int LEFT = 0x0001; |
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public static final int RIGHT = 0x0002; |
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public static final int MIDDLE = 0x0004; |
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public static final int PRESS = 0x0008; |
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public static final int RELEASE = 0x0010; |
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public static final int DRAG = 0x0020; |
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public static final int type=0; |
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CQMapCanvas canvas = null;
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int eventsWanted = 0; |
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protected Cursor cursor = null; |
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private static TreeMap cmdPool = null;; |
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/**
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* Inicializaci?n de la pool de comandos.
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*/
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static {
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cmdPool = new TreeMap(); |
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} |
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public static void register(String cmdStr, Cmd command) { |
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Cmd.cmdPool.put(cmdStr, command); |
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} |
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public static Cmd get(String cmdStr) { |
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return (Cmd) Cmd.cmdPool.get(cmdStr);
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} |
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/**
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* Construye un nuevo Cmd para el Canvas
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* @param canvas
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*/
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public Cmd(CQMapCanvas canvas) {
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this.canvas = canvas;
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} |
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/**
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* Recibe los eventos del rat?n.
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*/
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abstract public void cmd(Point2D pt, int bt, int mouseEvent); |
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/**
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* Devuelve un Bitset con los eventos de raton que requiere.
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* @return eventsWanted (BitSet)
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*/
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public int getEventsWanted() { |
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return eventsWanted;
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} |
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public Cursor getCursor() { |
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return cursor;
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} |
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} |